For example, by adding or dropping a particular color, or wavelength, of light traveling in an optical fiber, scientists can control the amount of information carried by the fiber. By altering the ...

The science of lighting is about more than brightness, efficiency, and cost. Just ask anyone with seasonal affective disorder, or SAD, how gray skies and short days can affect their mood. It turns out ...

To overcome the lack of wavelength-selective extraction in existing on-chip metasurfaces, Chinese scientists developed a novel approach by leveraging a nonlocal on-chip design based on symmetry-broken ...

Lighting has a powerful effect on our circadian rhythms, mood, and overall quality of sleep. As more people become aware of how their environment affects rest, a common question arises: what is the ...

Light is a key factor influencing the welfare of laboratory rodents, but little is known about their optimal lighting condition. It i common knowledge that rats prefer dim light, so bright light is ...

Researchers have successfully developed an environmentally friendly, microspherical fluorescent material primarily made from citric acid. These microbeads emit various colors of light depending on the ...